Kidney stones are solid masses of crystalized calcium or other substances that originate in the kidneys but can pass through the urinary tract. The greatest risk factor is making less than one liter of urine per day.

Ulcers are open sores. When they occur in the stomach, they are gastric ulcers. Duodenal ulcers occur in the upper area of the small intestine. They often cause a feeling of fullness or hunger, bloating, and burping.

Peptic ulcers are sores that develop in the lining of the stomach, esophagus, or rarely in small intestine. They are usually caused by H. pylori, excessive NSAID or alcohol usage, smoking, or stomach cancer.

A urinary tract infection (UTI) in children is a fairly common condition. According to the National Kidney and Urologic Diseases Information Clearing House (NKUDIC), approximately three percent of children in the United States get a UTI each year ...

Pseudogout, also known as calcium pyrophosphate deposition (CPPD) disease, is a type of arthritis that causes spontaneous, painful swelling in your joints. This condition most commonly affects the knees, but it can also affect the ankles, elbows, ...